【摘要】 对克氏原螯虾的食性和摄食活动进行了分析。结果表明,克氏原螯虾能适应多种生境,其食物组成随栖息地食物丰度而发生改变,丰度髙的食物是其主要摄食来源;克氏原螯虾摄食活动具有明显的昼夜节律,晚间摄食活动明显多于白天,其摄食量在早6∶00达到最髙,晚18∶00最低。更多还原

【Abstract】 In this article the feeding habit and behavior of Procambarus clarkia was analysed. The result was that Procambarus clarkia could adapt to different habitations. Procambarus clarkia changed its food compositions in different habitations. The food which was aboundary was its main food resource. Feeding behavior had a diurnal rhythm. The behavior in night was more active than that in day. The amount of feeding food arrived the highest point at A.M.6, and the lowest at P.M.18.更多还原